Because my grandfather was a ... I need to contact with you is a Cantonese and thus makes it possible for me to develop this language knowledge in the past 3-4 years ago.
Because my grandfather was a Chinese. I need to contact you in the language, Cantonese and thus enabled me to develop this language during the past 3-4 years.
Because my grandfather is Chinese I need to make contact with you is the language and thus wide Tung I develop the knowledge of language in the 3-4 years